Liquid Ring Vacuum Pump for Special Gas Environment
The earliest vacuum pumps in the past had shortcomings in design. For example, they could only pump and transport clean gases. If there were a lot of water vapor or condensate particles in the air, there would be no way to work. The liquid ring vacuum pumps were different. The characteristic gases could also be pumped and transported. It was subjected to people's attention.
Advantages of liquid ring vacuum pump: it can inhale uniformly, work very stable, reliable, high safety, use and maintenance are very convenient. There is no need to use lubricant, the pump wall will not be subject to metal friction, will not cause friction damage to the pump, no wear and tear occurs, the density between parts can be achieved through water seal. The requirement for manufacturing accuracy is very low, and it is well processed. Its running speed is very high. It can be directly connected with the motor. No deceleration equipment is needed. The size needs to be small, but the exhaust volume is large, and it does not need to occupy a large space. When pumping, the temperature is also very stable.
The insufficiency of liquid ring vacuum pump: its working efficiency is not very high, and some of them are less than half. Because of the structural reasons, its vacuum degree is not high. If a higher vacuum degree is needed, it can not be used. The working fluid and steam pressure affect it. The working fluid is different, and the pressure it achieves is also different. Many advantages make people neglect the insufficiency of liquid ring vacuum pump, and it is still widely used.